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https://issues.apache.org/jira/browse/HIVE-12986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15468047#comment-15468047
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Sergey Shelukhin commented on HIVE-12986:
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IIRC that's because antlr3 and 4 are basically different libraries with
different package sets and APIs, so there's no problem with using them
simultaneously, and it's a lot of work to upgrade the antlr3-using parts. I may
be misremembering though... (there's a mailing list thread somewhere)
> make sure Hive uses Antlr runtime version compatible with HPLSQL
> ----------------------------------------------------------------
>
> Key: HIVE-12986
> URL: https://issues.apache.org/jira/browse/HIVE-12986
> Project: Hive
> Issue Type: Improvement
> Reporter: Sergey Shelukhin
> Priority: Blocker
>
> HPLSQL requires Antlr-runtime 4.5, however Hive uses an older version. If
> there are no obstacles to this, Hive should simply be upgraded to the newer
> version
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